Wordle is a Web 2.0 tool that visually arranges words in a random pattern. Frequently used words appear more often and in a larger, bolder font. Different fonts, layouts and color schemes create unique "word clouds".
Please view the YouTube video for basic instructions.
For more information and uses
Wordle web site: http://www.wordle.net/
Slide show / Power point http://www.slideshare.net/JenniferW/wordle-ideas